From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Berg Subject: Re: [PATCH v3.5 10/19] mac8011: slight optimization of addr compare Date: Mon, 06 Jan 2014 16:11:51 +0100 Message-ID: <1389021111.5891.21.camel@jlt4.sipsolutions.net> References: <52BC15C8.2080400@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: "John W. Linville" , "David S. Miller" , linux-wireless@vger.kernel.org, Netdev , "linux-kernel@vger.kernel.org" To: Ding Tianhong Return-path: In-Reply-To: <52BC15C8.2080400@huawei.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Thu, 2013-12-26 at 19:40 +0800, Ding Tianhong wrote: > Use the possibly more efficient ether_addr_equal > to instead of memcmp. This is a slow-path, I don't think that's really worth it. It kinda makes sense, but relies on the struct mac_address allocation for alignment and the fact that there are no other members in that struct, so it seems to me that this ought to also add some alignment attributes? johannes